Michael Ellerman writes:
> Srikar Dronamraju writes:
>> * Michael Ellerman [2021-09-23 17:29:32]:
>>
>>> Nathan Lynch writes:
>>> > Srikar Dronamraju writes:
>>> >
>>> >> * Nathan Lynch [2021-09-22 11:01:12]:
>>> >>
>>> >>> Srikar Dronamraju writes:
> ...
>>> >> Or can I understand how
Srikar Dronamraju writes:
> * Michael Ellerman [2021-09-23 17:29:32]:
>
>> Nathan Lynch writes:
>> > Srikar Dronamraju writes:
>> >
>> >> * Nathan Lynch [2021-09-22 11:01:12]:
>> >>
>> >>> Srikar Dronamraju writes:
...
>> >> Or can I understand how debug_smp_processor_id() is useful if
>> >>
* Michael Ellerman [2021-09-23 17:29:32]:
> Nathan Lynch writes:
> > Srikar Dronamraju writes:
> >
> >> * Nathan Lynch [2021-09-22 11:01:12]:
> >>
> >>> Srikar Dronamraju writes:
> >>> > * Nathan Lynch [2021-09-20 22:12:13]:
> >>> >
> >>> >> vcpu_is_preempted() can be used outside of
Nathan Lynch writes:
> Srikar Dronamraju writes:
>
>> * Nathan Lynch [2021-09-22 11:01:12]:
>>
>>> Srikar Dronamraju writes:
>>> > * Nathan Lynch [2021-09-20 22:12:13]:
>>> >
>>> >> vcpu_is_preempted() can be used outside of preempt-disabled critical
>>> >> sections, yielding warnings such
Srikar Dronamraju writes:
> * Nathan Lynch [2021-09-22 11:01:12]:
>
>> Srikar Dronamraju writes:
>> > * Nathan Lynch [2021-09-20 22:12:13]:
>> >
>> >> vcpu_is_preempted() can be used outside of preempt-disabled critical
>> >> sections, yielding warnings such as:
>> >>
>> >> BUG: using
* Nathan Lynch [2021-09-22 11:01:12]:
> Srikar Dronamraju writes:
> > * Nathan Lynch [2021-09-20 22:12:13]:
> >
> >> vcpu_is_preempted() can be used outside of preempt-disabled critical
> >> sections, yielding warnings such as:
> >>
> >> BUG: using smp_processor_id() in preemptible []
Srikar Dronamraju writes:
> * Nathan Lynch [2021-09-20 22:12:13]:
>
>> vcpu_is_preempted() can be used outside of preempt-disabled critical
>> sections, yielding warnings such as:
>>
>> BUG: using smp_processor_id() in preemptible [] code:
>> systemd-udevd/185
>> caller is
Michael Ellerman writes:
> Nathan Lynch writes:
>> --- a/arch/powerpc/include/asm/paravirt.h
>> +++ b/arch/powerpc/include/asm/paravirt.h
>> @@ -97,7 +97,14 @@ static inline bool vcpu_is_preempted(int cpu)
>>
>> #ifdef CONFIG_PPC_SPLPAR
>> if (!is_kvm_guest()) {
>> -int
* Nathan Lynch [2021-09-20 22:12:13]:
> vcpu_is_preempted() can be used outside of preempt-disabled critical
> sections, yielding warnings such as:
>
> BUG: using smp_processor_id() in preemptible [] code:
> systemd-udevd/185
> caller is rwsem_spin_on_owner+0x1cc/0x2d0
> CPU: 1 PID:
Nathan Lynch writes:
> vcpu_is_preempted() can be used outside of preempt-disabled critical
> sections, yielding warnings such as:
>
> BUG: using smp_processor_id() in preemptible [] code:
> systemd-udevd/185
> caller is rwsem_spin_on_owner+0x1cc/0x2d0
> CPU: 1 PID: 185 Comm:
vcpu_is_preempted() can be used outside of preempt-disabled critical
sections, yielding warnings such as:
BUG: using smp_processor_id() in preemptible [] code: systemd-udevd/185
caller is rwsem_spin_on_owner+0x1cc/0x2d0
CPU: 1 PID: 185 Comm: systemd-udevd Not tainted 5.15.0-rc2+ #33
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